這個(gè)是怎么回事,看不懂

#?coding:utf-8
from?__future__?import?division
import?numpy?as?np
import?pandas?as?pd
from?scipy?import?stats
##0.Read?Data##
df?=?pd.read_csv("C:/Users/Administrator/PycharmProjects/train.csv")
label?=?df['TARGET']
df?=?df.drop(['ID','TARGET'],?axis=1)
2019-04-28
df這個(gè)名字沒有定義